The practical benefits of the cover include its size of 12x20 inches, which provides a versatile option for covering various items. This size allows for easy fitting over a range of objects, offering protection from dust, dirt, and damage. The cover's dimensions make it suitable for use in different settings, such as storage, transportation, or outdoor protection. Users can benefit from the convenience and flexibility of this size, ensuring their belongings are shielded from potential harm. Overall, the cover's dimensions enhance its usability and effectiveness in safeguarding items.